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| author | David Shah <dave@ds0.me> | 2018-11-11 15:50:56 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2018-11-15 11:30:27 +0000 |
| commit | 91a09271965cf9652fd823d6df59051f35e0213d (patch) | |
| tree | cafa55743a3067800bda4308e9538f40618f83ad | |
| parent | 01e0da16f0cb8fffb78b476b912edbd676106b04 (diff) | |
| download | nextpnr-91a09271965cf9652fd823d6df59051f35e0213d.tar.gz nextpnr-91a09271965cf9652fd823d6df59051f35e0213d.tar.bz2 nextpnr-91a09271965cf9652fd823d6df59051f35e0213d.zip | |
ecp5: Support LOC attribute on DCUs
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | ecp5/pack.cc | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/ecp5/pack.cc b/ecp5/pack.cc index 82e2888a..2d2f7578 100644 --- a/ecp5/pack.cc +++ b/ecp5/pack.cc @@ -1098,6 +1098,26 @@ class Ecp5Packer for (auto cell : sorted(ctx->cells)) { CellInfo *ci = cell.second; if (ci->type == id_DCUA) { + if (ci->attrs.count(ctx->id("LOC"))) { + std::string loc = ci->attrs.at(ctx->id("LOC")); + if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_25F || ctx->args.type == ArchArgs::LFE5UM5G_25F)) + ci->attrs[ctx->id("BEL")] = "X42/Y50/DCU"; + else if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_45F || ctx->args.type == ArchArgs::LFE5UM5G_45F)) + ci->attrs[ctx->id("BEL")] = "X42/Y71/DCU"; + else if (loc == "DCU1" && + (ctx->args.type == ArchArgs::LFE5UM_45F || ctx->args.type == ArchArgs::LFE5UM5G_45F)) + ci->attrs[ctx->id("BEL")] = "X69/Y71/DCU"; + else if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_85F || ctx->args.type == ArchArgs::LFE5UM5G_85F)) + ci->attrs[ctx->id("BEL")] = "X46/Y95/DCU"; + else if (loc == "DCU1" && + (ctx->args.type == ArchArgs::LFE5UM_85F || ctx->args.type == ArchArgs::LFE5UM5G_85F)) + ci->attrs[ctx->id("BEL")] = "X71/Y95/DCU"; + else + log_error("no DCU location '%s' in device '%s'\n", loc.c_str(), ctx->getChipName().c_str()); + } if (!ci->attrs.count(ctx->id("BEL"))) log_error("DCU must be constrained to a Bel!\n"); // Empty port auto-creation to generate correct tie-downs @@ -1112,7 +1132,11 @@ class Ecp5Packer for (auto pin : ctx->getBelPins(exemplar_bel)) if (ctx->getBelPinType(exemplar_bel, pin) == PORT_IN) autocreate_empty_port(ci, pin); - } else if (ci->type == id_EXTREFB) { + } + } + for (auto cell : sorted(ctx->cells)) { + CellInfo *ci = cell.second; + if (ci->type == id_EXTREFB) { const NetInfo *refo = net_or_nullptr(ci, id_REFCLKO); CellInfo *dcu = nullptr; if (refo == nullptr) |